HE360 is a closed design of professional monitoring headphones. Closed- ear design gives a tight respond, practically eliminates external noise, and snuggles over the ear for hours of comfort. HE360 adopt foldable design, it is easy for you to carry and storage. The activity part made of high quality steel, sturdy and durable. The flexible part with degree, both sides can adjust the distance accurately. Premium 40mm drivers reproduce every musical nuance from low to high. The cable is removable, when the cable is broken, you just need to change the cable without change the headphone.